Mechanical connection unit



FIG. 1 is a top right perspective view of a mechanical connection unitaccording to my design;

FIG. 2 is an upper front perspective view thereof;

FIG. 3 is an upper right perspective view thereof;

FIG. 4 is a left top perspective view thereof;

FIG. 5 is an upper left perspective view thereof;

FIG. 6 is an upper rear perspective view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a front elevation view thereof;

FIG. 9 is a right elevation view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a left elevation view thereof; and,

FIG. 12 is a rear elevation view thereof.

CLAIM The ornamental design for a mechanical connection unit, as shownand described.